In a ballistics test, a 30 g bullet traveling horizontally at 1500 m/s goes through a 27-cm-thick 320 kg stationary target and emerges with a speed of 940 m/s . The target is free to slide on a smooth horizontal surface.
(a) How long is the bullet in the target?
1 s
What average force does it exert on the target?
2 N (magnitudeonly)
(b) What is the target's speed just after the bullet emerges?
3 m/s
Answers: 3
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